9-year-old Yeo-min does various part-time jobs to make one wish come true: buying sunglasses for his mother who has lost her eye while working. Meanwhile, Yu-rim, Yeo-min’s classmate and his one-sided love, is not very friendly with her stepfather despite the love he is giving. Just as Yeo-min and Yu-rim get to understand each other, she leaves for Seoul. And they cry out ‘Can’t 9-year-olds have their own life?’.